Handheld light therapy device



FIG. 1 is an isometric view of a handheld light therapy device;

FIG. 2 is an exploded perspective view thereof with a cap detached;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a right side view thereof.

The broken lines illustrate portions of the handheld light therapy device that form no part of the claimed design; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a handheld light therapy device, as shown and described. 